How many numbers not exceeding 1000 can be made from the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 if repetition is not allowed .
Answers
Answered by
10
Answer:
819 numbers can be made.
Step-by-step explanation:
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Answered by
0
Answer:
9P3= 504
Step-by-step explanation:
not exceeding 1000 i,e 3digit ,therefore,n=9 r=3
permutation nPr
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